🚀 go-pugleaf

Suppose host orig.domain is on the internet but has no uucp connections.  Host
uucp-relay.domain is an internet/uucp relay host.  Ether is the name of the
mailer that can deliver directly to other internet sites.  What do you think
ruleset 0 should resolve to for the address a!b!c!user?  Here are
some possible choices (I am soliciting opinions, not looking for the
one true answer.):

   $#ether  $@uucp-relay.domain  $:a!b!c!user
   $#ether  $@uucp-relay.domain  $:a!b!c!user@uucp-relay.domain
   $#ether  $@uucp-relay.domain  $:a!b!c!user<@uucp-relay.domain>
   $#ether  $@uucp-relay.domain  $:b!c!user%a.UUCP@uucp-relay.domain
   $#ether  $@uucp-relay.domain  $:user%c.UUCP%b.UUCP@a.UUCP
   $#ether  $@uucp-relay.domain  $:user%c.UUCP%b.UUCP%a.UUCP@uucp-relay.domain

   and so on.  I initially was leaning towards never having !'s and @'s in
   the same address but that can get pretty messy.  I am now leaning
   toward choice 1 or choice 2.  What do you think?

   A closely related question is this.  Suppose this mail was sent to
   user1@host.domain and a!b!c!user.  What should the headers look like
   in the mail that user1 receives?  

   To: user1@host.domain, a!b!c!user
   From: me@orig.domain

or To: user1@host.domain, a!b!c!user@uucp-relay.domain

   and so on.  Thanks for your opinions.

Steve Hubert
Networks and Distributed Computing, Univ. of Washington
hubert@cac.washington.edu